diff --git a/docs/Makefile.am b/docs/Makefile.am
index f3ddc22ddcbbf4e0cc756e34bbefb213df521fc0..034926c5928e3beec160ae59c35e8ef4e647e5b5 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -1 +1,3 @@
 SUBDIRS = reference
+
+-include $(top_srcdir)/git.mk